Expansion of 1/((1-2*x)*(1-9*x)).

Terms

a(0) =1a(1) =11a(2) =103a(3) =935a(4) =8431a(5) =75911a(6) =683263a(7) =6149495a(8) =55345711a(9) =498111911a(10) =4483008223a(11) =40347076055a(12) =363123688591